La córnea es la capa transparente en la parte frontal del ojo. Protege su ojo del polvo y los gérmenes y ayuda a filtrar los dañinos rayos ultravioletas, o UV. La córnea también ayuda a enfocar la luz que entra a su ojo. La córnea está hecha de proteínas fuertes, pero puede lastimarse. Una cortadura o un rasguño leves, llamados abrasiones, suelen ser algo menor. Pero una abrasión fuerte o una punción en la córnea pueden ser cosas muy graves, y pueden afectarle la visión. Constituyen emergencias médicas.
A cataract is a clouding of the natural lens within the eye that often occurs as a person ages. Although many cataracts develop without a known cause, long-term steroid use and diabetes are risk factors. Watch this video to find out what you can expect if you develop a cataract.
If you have pain around the eyes, headaches, and blurred vision after using a computer for several hours, you may have computer vision syndrome. You can ease symptoms with special computer glasses. Watch this video for additional details about this condition and tips on computer use.
Ectropion is an eyelid that sags or turns outward. It often affects one or both lower eyelids. Ectropion leaves the eye too exposed. The eye can become dry, irritated, and even infected. This can lead to serious problems. In some cases it can lead to loss of eyesight.
